let x = 0;
			let y = 0;
			window.onload = function()
			{
				let imgs = document.querySelectorAll('#imgs img');
				let cat = imgs[0];
				let dog = imgs[1];
				let CAT = document.querySelector('#cat');
				let DOG = document.querySelector('#dog');
				
				CAT.ondragover = function(event)
				{
					event.preventDefault();
				}
				
				CAT.ondrop = function(event)
				{
					let path = event.dataTransfer.getData('text/plain');
					if(path.includes("cat.png"))
					{
						CAT.innerHTML += `<img src = "img/cat.png"/>`;
					}
				}
				
				DOG.ondragover = function(event)
				{
					event.preventDefault();
				}
				
				DOG.ondrop = function(event)
				{
					let path = event.dataTransfer.getData('text/plain');
					if(path.includes('dog.png'))
					{
						DOG.innerHTML += `<img src = "img/dog.png"/>`;
					}
				}
			}